

#ifndef _PCF8575_DRIVER
#define _PCF8575_DRIVER

#define EXADD_W 0x40 // Write address
#define EXADD_R 0x41 // Read address

void initExpander(void);

void readIOExpander(unsigned char * exPort0, unsigned char * exPort1);

void writeIOExpander(unsigned char exPort0, unsigned char exPort1);

#endif
